They both, along with the rest New Directions' underclassmen perform In My Life. They are also in the Choir Room when the seniors sing You Get What You Give to them and the other underclassmen. Later, together with the other New Directions, they say goodbye to Rachel. (Goodbye)

They both compete with each other to be Class Vice President. However, Artie supports Brittany, and Sam supports Blaine. After Artie gives a long and informative speech, Sam states he agrees with everything he said. (Makeover)

This is considered by many to be the episode where their friendship really takes off. While both characters are revealed in this episode to have body issues, they are very different. Artie is self-conscious to show off his body for the Men of McKinley calendar, while Sam is obsessive about showing it off, thinking it is all he is good for. Although the two feud throughout the episode, Sam eventually apologizes, and they help each other through their insecurities. When they both decide to pose without being shirtless, Artie becomes more confident about his body, and Sam becomes more confident about his talents and strengths. (Naked)

When Sam confesses to Blaine that he is a fan of Barry Manilow, Artie, who overhears the confession, is visibly concerned. However, when Sam performs Copacabana to prove his shamelessness, Artie admires him and admits to liking Barry Manilow as well. (Guilty Pleasures)

During the incident, they are both hiding in the Choir Room with other New Directions and McKinley students. Artie films Sam as he talks to his parents about Lady Tubbington. (Shooting Star)

When Artie is unable to keep it together without electricity, Sam gets frustrated and informs him that his family often didn't have electricity. Artie apologizes to him later on, and the two come up with the idea of the Glee Club performing a Stomp-like version of We Will Rock You. Also, when Ryder confesses that he was molested by his babysitter, Artie and Sam seem the most impressed and excited, and give him high fives, both of them making Ryder upset and angry. (Lights Out)

Sam and Artie are seen at the carnival together, with the rest of the New Directions and sing Drive My Car with them. Later they help Blaine prepare his proposal to Kurt, while singing Help!. They are both present for the proposal at the end of the episode, where Blaine sings All You Need Is Love. They are happy for the couple when Kurt accepts. (Love, Love, Love)

The episode opens to Artie, Sam, and the rest of the New Directions, and New Directions Alumni singing Seasons of Love, a song dedicated to Finn. Artie and Sam both perform Fire and Rainfor the rest of the New Directions. (The Quarterback)

At the beginning of the episode, when Mr. Schue asks the New Directions to identify themselves as Katy Perrys or Lady Gagas, they both identify themselves as Katys. Because of this, as a part of their task, they, along with Blaine, Marley, and Ryder, must perform a Lady Gaga song in order to step out of their comfort zone. They take part in the Applause performance, while wearing outfits inspired from Lady Gaga's Applause Music Video. They both watch Jake, Kitty, Unique, and Tina perform Wide Awake. At the end of the episode, they sing Roar with the rest of the New Directions. (A Katy or A Gaga)

They can both be seen at the beginning of the episode when they are laughing at the video of Blaine twerking, that Tina had leaked. Both of them have solos in On Our Way, along with other members of the New Directions. (The End of Twerk)

When Tina is upset about graduating, Blaine and Sam pull her into a group hug. Artie tries to join, but is rejected. Blaine, Sam and Tina organize a 'senior lock in' which doesn't include Artie, and later in the episode, Artie rolls into the choir room when Tina, Sam and Blaine are together, embittered at being left out.
Later in the episode, Will asks Sam and Artie, with Blaine and Tina to sing one last performance as seniors in glee club, to which they sing Hold On. (Trio)

They both appear in Tina's dream where they live in New York together. Later, they want to cheer Tina up and sing an acoustic version of Loser Like Me with her and Blaine. They, along with Becky, Tina, Brittany and Blaine graduate. They are both sad about the Glee Club coming to an end, and join in the performance of Don't Stop Believin' for Mr. Schue. (New Directions)

Sam, Artie, and Blaine move to New York together after High School. While walking through Manhattan, they all sing Downtown, in which both of them have solos. When Rachel takes Kurt, Blaine, Artie and Sam out for dinner, Sam tells Rachel that he and Artie can get the subway together, which would be easier as Artie's wheelchair wouldn't fit in the town car she got as a present.
The episode ends with Rachel, Blaine, Kurt, Sam, Artie, and Mercedes enjoying a dinner together. The two seem to interact. (New New York)

They enjoy a dinner together with the rest of their friends. Later, when Sam and Mercedes say that they are a couple again, Artie says that no one has never seen any chemistry between them. (Bash)

Sam and Artie, along with Kurt and Blaine, appear in a World War 2 style newsreel explaining the risks of STD’s. After they all get tested, Artie is revealed to have an STD. In the Bushwick Apartment, Artie tells the guys that he doesn't use condoms, and Sam reacts in a shocked manner, and Sam begins to remonstrate with him. Sam is even more shocked when Artie reveals that he has been sleeping with two different girls at college, and begins to ‘slut shame’ him.
Later in the episode, when Sam, Artie, Julie and Mercedes are on a walk, they both sing in a group performance of Let's Wait Awhile. When Artie is upset that Julie has left him, Sam tells him that if something is important enough, he can’t let anything else get in the way of it. (Tested)

Artie and Sam are both accompanying Rachel and Mercedes to the shelter for rescue dogs. Later, they are both hanging out in Mercedes' apartment, with Sam's new dog McConaughey. Artie tells him Mercedes is gonna freak when she gets home, but Sam says she's gonna fall in love with the dog. However, she becomes mad when she gets home. Artie wants to leave, but can't get out of the apartment in his chair. When Mercedes tells Sam he has to realize it's a living thing, Sam replies by saying that Artie is as well, but he still takes care of him. Artie is a little offended by this, but doesn't get mad.
Sam and Artie take the dog to a training course. They sing Werewolves of London together while Sam trains the dog. Back in the apartment, they bathe and groom the dog together. At the Broadway Bitches event, Artie and Sam sit together with Mercedes. They later go to Kurt's show together, and perform Take Me Home Tonight at Rachel's event, together with the rest of the group and Maggie. (Old Dog, New Tricks)

When the episode begins, Artie and Sam are both at the loft for Monday night dinner. They both seem excited to see Brittany when she enters. When Brittany says she was stranded like in that Tom Hanks movie, both Artie and Sam throw out suggestions. Artie and Sam both watch Mercedes and Brittany perform Shakin' My Head at the mall.
Later, Artie, Sam, and Blaine are seen playing video games together while giving Sam advice about his relationship with Mercedes. Sam and Artie both get interviewed by Mary Halloran for Rachel's TV pilot, and both are seen at the loft for the first read through of the script.
Artie and Sam both attend Blaine's showcase and enjoy the performance of No Time at All. They also watch Blaine and Kurt sing American Boy and join in to dance at the end of the song.
At the end of the episode, Artie and Sam are both seen reading the final script of Rachel's TV pilot. They both run outside to see Sam's bus ad and both perform in Pompeii. During the song, Artie is seen rolling down the hall of his film school and Sam is seen walking down the hallway at McKinley High School. (The Untitled Rachel Berry Project)

Artie and Sam, along with the other alumni, help Rachel with recruiting new members for the new glee club. Sam wheels Artie in, when the alumni are gathered in the auditorium. They are then seen performing in Take On Me. When everyone is looking into the vents, for the voice, Artie and Sam are next to each other on the ground, Sam stating how the voice is coming from the showers. At the end of the episode, both Sam and Artie sing in Home. (Homecoming)